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EC number: - | CAS number: -
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
![](https://echa.europa.eu/o/diss-blank-theme/images/factsheets/A-REACH/factsheet/print_physical-and-chemical-properties.png)
Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- Testing was conducted between 12 June 2008 and 10 July 2008.
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Study conducted to GLP and in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or minor methodological deficiencies, which do not effect the quality of the relevant results.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 008
- Report date:
- 2008
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- The work described was performed in compliance with UK GLP standards (Schedule 1, Good Laboratory Practice Regulations 1999 (SI 1999/3106 as amended by SI 2004/0994)).
- Type of method:
- effusion method: vapour pressure balance
Test material
Constituent 1
Results and discussion
Vapour pressure
- Temp.:
- 25 °C
- Vapour pressure:
- < 0 Pa
Any other information on results incl. tables
Run 1
Temperature (ºC) |
Temperature (K) |
Reciprocal Temperature (K-1) |
Mass Difference (µg) |
Mass Difference (kg) |
Vapour Pressure (Pa) |
Log10 Vp |
120 |
393.15 |
0.002543558 |
1.46 |
1.460E-09 |
0.002026854 |
-2.693177523 |
121 |
394.15 |
0.002537105 |
1.30 |
1.300E-09 |
0.001804733 |
-2.743587026 |
122 |
395.15 |
0.002530685 |
2.28 |
2.280E-09 |
0.003165224 |
-2.499595532 |
123 |
396.15 |
0.002524296 |
0.65 |
6.500E-10 |
0.000902367 |
-3.044617022 |
124 |
397.15 |
0.002517940 |
1.95 |
1.950E-09 |
0.002707100 |
-2.567495767 |
125 |
398.15 |
0.002511616 |
2.60 |
2.600E-09 |
0.003609466 |
-2.442557031 |
126 |
399.15 |
0.002505324 |
2.20 |
2.200E-09 |
0.003054164 |
-2.515107698 |
127 |
400.15 |
0.002499063 |
1.46 |
1.460E-09 |
0.002026854 |
-2.693177523 |
128 |
401.15 |
0.002492833 |
0.81 |
8.100E-10 |
0.001124488 |
-2.949045360 |
129 |
402.15 |
0.002486634 |
0.98 |
9.800E-10 |
0.001360491 |
-2.866304303 |
130 |
403.15 |
0.002480466 |
1.06 |
1.060E-09 |
0.001471552 |
-2.832224513 |
No statistical analysis is given due to the nature of the plot
Run 2
Temperature (ºC) |
Temperature (K) |
Reciprocal Temperature (K-1) |
Mass Difference (µg) |
Mass Difference (kg) |
Vapour Pressure (Pa) |
Log10 Vp |
120 |
393.15 |
0.002543558 |
0.73 |
7.300E-10 |
0.001013427 |
-2.994207519 |
121 |
394.15 |
0.002537105 |
0.73 |
7.300E-10 |
0.001013427 |
-2.994207519 |
122 |
395.15 |
0.002530685 |
1.55 |
1.550E-09 |
0.002151797 |
-2.667198681 |
123 |
396.15 |
0.002524296 |
0.98 |
9.800E-10 |
0.001360491 |
-2.866304303 |
124 |
397.15 |
0.002517940 |
0.08 |
8.000E-11 |
0.000111060 |
-3.954440392 |
125 |
398.15 |
0.002511616 |
1.55 |
1.550E-09 |
0.002151797 |
-2.667198681 |
126 |
399.15 |
0.002505324 |
-0.57 |
-5.700E-10 |
- |
- |
127 |
400.15 |
0.002499063 |
1.46 |
1.460E-09 |
0.002026854 |
-2.693177523 |
128 |
401.15 |
0.002492833 |
0.73 |
7.300E-10 |
0.001013427 |
-2.994207519 |
129 |
402.15 |
0.002486634 |
0.65 |
6.500E-10 |
0.000902367 |
-3.044617022 |
130 |
403.15 |
0.002480466 |
0.81 |
8.100E-10 |
0.001124488 |
-2.949045360 |
No statistical analysis is given due to the nature of the plot
Run 3
Temperature (ºC) |
Temperature (K) |
Reciprocal Temperature (K-1) |
Mass Difference (µg) |
Mass Difference (kg) |
Vapour Pressure (Pa) |
Log10 Vp |
120 |
393.15 |
0.002543558 |
1.22 |
1.220E-09 |
0.001693673 |
-2.771170548 |
121 |
394.15 |
0.002537105 |
1.22 |
1.220E-09 |
0.001693673 |
-2.771170548 |
122 |
395.15 |
0.002530685 |
0.81 |
8.100E-10 |
0.001124488 |
-2.949045360 |
123 |
396.15 |
0.002524296 |
0.81 |
8.100E-10 |
0.001124488 |
-2.949045360 |
124 |
397.15 |
0.002517940 |
0.98 |
9.800E-10 |
0.001360491 |
-2.866304303 |
125 |
398.15 |
0.002511616 |
1.22 |
1.220E-09 |
0.001693673 |
-2.771170548 |
126 |
399.15 |
0.002505324 |
1.06 |
1.060E-09 |
0.001471552 |
-2.832224513 |
127 |
400.15 |
0.002499063 |
-0.16 |
-1.600E-10 |
- |
- |
128 |
401.15 |
0.002492833 |
1.38 |
1.380E-09 |
0.001915794 |
-2.717651292 |
129 |
402.15 |
0.002486634 |
1.38 |
1.380E-09 |
0.001915794 |
-2.717651292 |
130 |
403.15 |
0.002480466 |
0.41 |
4.100E-10 |
0.000569185 |
-3.244746522 |
No statistical analysis is given due to the nature of the plot
Run 4
Temperature (ºC) |
Temperature (K) |
Reciprocal Temperature (K-1) |
Mass Difference (µg) |
Mass Difference (kg) |
Vapour Pressure (Pa) |
Log10 Vp |
120 |
393.15 |
0.002543558 |
0.81 |
8.100E-10 |
0.001124488 |
-2.949045360 |
121 |
394.15 |
0.002537105 |
0.33 |
3.300E-10 |
0.000458125 |
-3.339016439 |
122 |
395.15 |
0.002530685 |
0.33 |
3.300E-10 |
0.000458125 |
-3.339016439 |
123 |
396.15 |
0.002524296 |
0.57 |
5.700E-10 |
0.000791306 |
-3.101655523 |
124 |
397.15 |
0.002517940 |
-0.16 |
-1.600E-10 |
- |
- |
125 |
398.15 |
0.002511616 |
0.81 |
8.100E-10 |
0.001124488 |
-2.949045360 |
126 |
399.15 |
0.002505324 |
0.65 |
6.500E-10 |
0.000902367 |
-3.044617022 |
127 |
400.15 |
0.002499063 |
1.87 |
1.870E-09 |
0.002596039 |
-2.585688772 |
128 |
401.15 |
0.002492833 |
0.90 |
9.000E-10 |
0.001249431 |
-2.903287869 |
129 |
402.15 |
0.002486634 |
0.65 |
6.500E-10 |
0.000902367 |
-3.044617022 |
130 |
403.15 |
0.002480466 |
1.14 |
1.140E-09 |
0.001582612 |
-2.800625527 |
No statistical analysis is given due to the nature of the plot
Discussion
No statistical analyses were performed because the balance readings were too low and variable for a line of best fit to have any meaning. Instead it was considered more appropriate to impose a regression slope on a chosen data point to provide an estimate of the maximum value for the vapour pressure at 25ºC.
Run 4 was chosen because the sample had been under vacuum for the longest period prior to this run and so degassing would have been the most complete. The reading at 127ºC (400.15 K) was chosen because this is the data point which gives the highest estimated vapour pressure at any given temperature when a slope of -1500 K is imposed upon it.
The value of -1500 K is an in-house value and is the shallowest slope observed whilst determining the vapour pressure on a wide range of samples using the vapour pressure balance method. Extrapolation to 25ºC gave a vapour pressure of 1.355 x 10-4 Pa which has been taken as a maximum for this material.
The test material did not change in appearance under the conditions used in the determination.
Conclusion
The vapour pressure of the test material has been determined to be less than 1.4 x 10-4 Pa at 25ºC.
Applicant's summary and conclusion
- Conclusions:
- The vapour pressure of the test material has been determined to be less than 1.4 x 10-4 Pa at 25ºC.
- Executive summary:
The vapour pressure for substance NDS-Li in project number 1307 -0448 was determined using a vapour pressure balance with measurements being made at several temperatures and linear regression analysis used to calculate the vapour pressure at 25°C. Testing was conducted using Method A4 of Commission Directive 92/69/EEC (which constitutes Annex V of Council Directive 67/548/EEC).
The vapour pressure of the test material has been determined to be less than 1.4 x 10-4 Pa at 25ºC.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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